RFR: 8145934: Make ttyLocker equivalent for Unified Logging framework

[Marcus Larsson]

Hi,

On 02/10/2016 07:25 PM, Rachel Protacio wrote:
> Hi,
>
> Thank you for implementing this - it will be very useful for some of 
> our logging. The code looks good to me! Thanks also for the 
> file_contains_substring() update in log.cpp :)

Thank you for reviewing, Rachel!

Marcus

>
> Rachel
>
> On 2/10/2016 8:49 AM, Marcus Larsson wrote:
>> Hi,
>>
>> Please review the following patch adding support for 
>> non-interleavable multi-line log messages in UL.
>>
>> Summary:
>> This patch adds a LogMessage class that represents a multiline log 
>> message, buffering lines that belong to the same message. The class 
>> has a similar interface to the Log class, with printf-like methods 
>> for each log level. These methods will append the log message with 
>> additional lines. Once all filled in, the log message should be sent 
>> to the the appropriate log(s) using Log<>::write(). All lines in the 
>> LogMessage are written in a way that prevents interleaving by other 
>> messages. Lines are printed in the same order they were added to the 
>> message (regardless of level). Apart from the level, decorators will 
>> be identical for lines in the same LogMessage, and all lines will be 
>> decorated.
>>
>> Webrev:
>> http://cr.openjdk.java.net/~mlarsson/8145934/webrev.00/
>>
>> Issue:
>> https://bugs.openjdk.java.net/browse/JDK-8145934
>>
>> Testing:
>> Included tests through JPRT
>>
>> Thanks,
>> Marcus
>